2014 · 10 years old at test · Diesel mostly

2014 Mercedes-Benz A-Class MOT pass rate and common faults

23,586 MOT tests in 2024. 70.9% passed first time, compared with 69.9% for all cars the same age.

101About average
Passed first time70.9%
Failed or needed repairs29.1%
Typical mileage at test84,000

Most common reasons for failing

Share of all 23,586 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.9%
  2. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt3.8%
  3. Malfunction indicator lamp: inoperative or indicates a malfunction3.1%
  4. SRS malfunction indicator lamp: warning lamp indicates a fault2.9%
  5. Tread depth below requirements of 1.6mm2.8%
    1,089 marked dangerous
  6. Brake pads: less than 1.5 mm thick2.1%
    670 marked dangerous
  7. Tyres - condition: has ply or cords exposed1.8%
    587 marked dangerous
  8. Anti-roll bars - ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt1.7%
  9. Stop lamp: not working1.6%
  10. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Suspension11.4%
  2. Lights & electrics10.5%
  3. Tyres9.9%
  4. Brakes5.4%
  5. Visibility (wipers, screen, mirrors)4.7%
  6. Emissions & leaks4.4%
  7. Seat belts & airbags3.6%
  8. Wheels0.8%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm19.1%
  2. Brake discs: in such a condition that it is seriously weakened10.4%
  3. Brake pads: less than 1.5 mm thick9.1%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.0%
  5. Brake discs: significantly and obviously worn4.3%

What this means if you are buying one

This model year is about as good as an average car its age. Before buying, check the area that fails most: coil spring: fractured or broken. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2014 Mercedes-Benz A-Class?

In 2024, 70.9% of 2014 Mercedes-Benz A-Class cars passed their MOT first time, across 23,586 tests. The average for all 10-year-old cars was 69.9%.

What are the most common MOT failures on a 2014 Mercedes-Benz A-Class?

The most common failure reasons were coil spring: fractured or broken; linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt; malfunction indicator lamp: inoperative or indicates a malfunction. The biggest problem area was suspension.

Is the 2014 Mercedes-Benz A-Class reliable at MOT time?

Its MOT Rank score is 101, which is about average for a car of its age (100 means exactly average).